Knob attachment



(No Model.)

T. J. MORGAN.

KNOB ATTACHMENT.

AA- No. 326.048.

Patented Sept. 8, 1885;

.dttorney UNITED STATES PATENT OFFICE.

THOMAS J. MORGAN, OF WOODLAVN PARK, ILLINOIS, ASSIGNOR OF HALF TO WILLIAM MCOOMBIE, OF CHICAGO, ILLINOIS.

KNOB ATTACHMENT.

SPECIFICATION forming part of Letters Patent No. 326,048, dated September 8, 1885. Application nleanpru 27, 1885. (No model.)

To all whom it may concern:

Be it known that I, THOMAS J. MORGAN, a citizen of the United States, residing at Woodlawn Park, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Knob Attachments, of which the following is a specification, reference being had therein to the accompanying drawings.

My invention relates to improvements in means for attaching door knobs to their spindles, and is designed to produce an easilyattached knob that requires no bearings upon the door, no set-screws nor pins to hold the knobs in position, has no lost motion, requires no washers or other adjustments, Vand when put together is practically as solid as though made of one piece.

The improvement consists, essentially, in the construction and combinations of parts, as claimed.

In the following description reference is had to the annexed drawings, showing in Figure l, a plan view of a latch with the knob-attachment; Fig. 2, a section through the same, showing a portion of the knob or handle; and Fig. 3 a detail view of cani and sleeve adjacent thereto.

The knob is formed with a spindle, A, having an extension, B, screw-threaded for a por- 'tion of its length and flattened at the end C.

An internally screw-threaded sleeve, D, ts on the threaded portion of B, and has at one vend a cam, E,which operates the yoke of the latch. The cam has a projection, E', which rests'in the opening in the casing through which one of the knobs F projects, the other knob being formed on or attached to the spindle A. The said knob has a sleeve, G, formed on it, and has in it a recess or hole of the shape of the end O of the spindle. About one-ha1f of the sleeve G is continued, as shown at H, which is provided with a slot, I, adjacent to the said sleeve. The parts forming the spindle and cam .are passed through the yoke from one side of the casing, the cam being first placed and the spindle then screwed into it, and the knob F slipped over the projecting end from Fig. 2.

A lever, K, has a pivotal point, L, formedn the other side of the casing, as shown in in the casing, and isprovided with a short tached. The pressing inward of the pin when inserted through a hole in the casing will remove the lever from the knob, and it may then be taken from the casing. The continuation H is beveled at S, so as to force the lever out of the way-when the knob F and sleeve G are placed in position.

The right to vary the construction consistent with the spirit of the invention isreserved. l

Iclaiml 1. A latch having a knob formed of two pieces, the spindle of` one knob passing partly into the other knob, combined with a latch or snap contained within the casing and normally retaining the said parts in conjunction, and a rod or pin' extending to the exterior of said casing and operating the snap, substantially as and for the purpose specied. Y

" 2. The combination of a knob-spindle having a partlyscrew-threaded and a partly plain continuation with a flattened or similarly formed end,with a knob having a sleeve, which latter isv recessed to receive the spindle, the said sleeve having a slotted continuation, and a snap or catch engagingin said slot, substantially as and for the purpose specied.

3. The combination, with a knob-spindle having a continuation partly screw-threaded and with a at or similarly-shaped end, of a knob having a s1eeve,which latter is recessed to receive the spindle, said sleeve having a slotted and beveled continuation, a cani provided with an internally screw threaded sleeve, and a catch formed of a spring-retainsnap or catch engaging with the continuation ed lover with an enlargement fitting in the ofthe sleeve,-substantal1y as and for the purslot, and a rod or pin engaging with the said pose specified.

lever, the Whole operating substantially as In testimony whereof Iafix my signature in 5 and for the purpose specified. i presence of two witnesses.

4. The combination7 with an internally screw-threaded sleeve, having a cam at one THOMAS J' MORGAN' end, of a knob having a sleeve With a con- Vitnesses: tinuation resting against the cam, and a knob FRANK K. BIGGS,

ro with a partially screw-threaded spindle and a WILLIAM MCCOMBIE. 

